/*
 * PhpGenView.java
 */
package phpgen;

import java.sql.SQLException;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.jdesktop.application.Action;
import org.jdesktop.application.ResourceMap;
import org.jdesktop.application.SingleFrameApplication;
import org.jdesktop.application.FrameView;
import org.jdesktop.application.Task;
import org.jdesktop.application.TaskMonitor;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.Connection;
import java.sql.DatabaseMetaData;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.util.ArrayList;
import javax.swing.Timer;
import javax.swing.Icon;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JTree;
import javax.swing.tree.DefaultMutableTreeNode;
import javax.swing.tree.DefaultTreeModel;

/**
 * The application's main frame.
 */
public class PhpGenView extends FrameView {

    Connection con = null;

    public PhpGenView(SingleFrameApplication app) {

        super(app);

        initComponents();



        // status bar initialization - message timeout, idle icon and busy animation, etc
        ResourceMap resourceMap = getResourceMap();
        int messageTimeout = resourceMap.getInteger("StatusBar.messageTimeout");
        messageTimer = new Timer(messageTimeout, new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                statusMessageLabel.setText("");
            }
        });
        messageTimer.setRepeats(false);
        int busyAnimationRate = resourceMap.getInteger("StatusBar.busyAnimationRate");
        for (int i = 0; i < busyIcons.length; i++) {
            busyIcons[i] = resourceMap.getIcon("StatusBar.busyIcons[" + i + "]");
        }
        busyIconTimer = new Timer(busyAnimationRate, new ActionListener() {

            public void actionPerformed(ActionEvent e) {
                busyIconIndex = (busyIconIndex + 1) % busyIcons.length;
                statusAnimationLabel.setIcon(busyIcons[busyIconIndex]);
            }
        });
        idleIcon = resourceMap.getIcon("StatusBar.idleIcon");
        statusAnimationLabel.setIcon(idleIcon);
        progressBar.setVisible(false);

        // connecting action tasks to status bar via TaskMonitor
        TaskMonitor taskMonitor = new TaskMonitor(getApplication().getContext());
        taskMonitor.addPropertyChangeListener(new java.beans.PropertyChangeListener() {

            public void propertyChange(java.beans.PropertyChangeEvent evt) {
                String propertyName = evt.getPropertyName();
                if ("started".equals(propertyName)) {
                    if (!busyIconTimer.isRunning()) {
                        statusAnimationLabel.setIcon(busyIcons[0]);
                        busyIconIndex = 0;
                        busyIconTimer.start();
                    }
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(true);
                } else if ("done".equals(propertyName)) {
                    busyIconTimer.stop();
                    statusAnimationLabel.setIcon(idleIcon);
                    progressBar.setVisible(false);
                    progressBar.setValue(0);
                } else if ("message".equals(propertyName)) {
                    String text = (String) (evt.getNewValue());
                    statusMessageLabel.setText((text == null) ? "" : text);
                    messageTimer.restart();
                } else if ("progress".equals(propertyName)) {
                    int value = (Integer) (evt.getNewValue());
                    progressBar.setVisible(true);
                    progressBar.setIndeterminate(false);
                    progressBar.setValue(value);
                }
            }
        });
    }

    @Action
    public void showAboutBox() {
        if (aboutBox == null) {
            JFrame mainFrame = PhpGenApp.getApplication().getMainFrame();
            aboutBox = new PhpGenAboutBox(mainFrame);
            aboutBox.setLocationRelativeTo(mainFrame);
        }
        PhpGenApp.getApplication().show(aboutBox);
    }

    /** This method is called from within the constructor to
     * initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is
     * always regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
    private void initComponents() {

        mainPanel = new javax.swing.JPanel();
        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jTextField2 = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        jLabel4 = new javax.swing.JLabel();
        jTextField3 = new javax.swing.JTextField();
        jTextField4 = new javax.swing.JTextField();
        jLabel5 = new javax.swing.JLabel();
        jButton1 = new javax.swing.JButton();
        jLabel6 = new javax.swing.JLabel();
        jScrollPane1 = new javax.swing.JScrollPane();
        menuBar = new javax.swing.JMenuBar();
        javax.swing.JMenu fileMenu = new javax.swing.JMenu();
        javax.swing.JMenuItem exitMenuItem = new javax.swing.JMenuItem();
        javax.swing.JMenu helpMenu = new javax.swing.JMenu();
        javax.swing.JMenuItem aboutMenuItem = new javax.swing.JMenuItem();
        statusPanel = new javax.swing.JPanel();
        javax.swing.JSeparator statusPanelSeparator = new javax.swing.JSeparator();
        statusMessageLabel = new javax.swing.JLabel();
        statusAnimationLabel = new javax.swing.JLabel();
        progressBar = new javax.swing.JProgressBar();

        mainPanel.setName("mainPanel"); // NOI18N

        org.jdesktop.application.ResourceMap resourceMap = org.jdesktop.application.Application.getInstance(phpgen.PhpGenApp.class).getContext().getResourceMap(PhpGenView.class);
        jLabel1.setText(resourceMap.getString("jLabel1.text")); // NOI18N
        jLabel1.setName("jLabel1"); // NOI18N

        jLabel2.setText(resourceMap.getString("jLabel2.text")); // NOI18N
        jLabel2.setName("jLabel2"); // NOI18N

        jTextField1.setText(resourceMap.getString("jTextField1.text")); // NOI18N
        jTextField1.setName("jTextField1"); // NOI18N

        jTextField2.setText(resourceMap.getString("jTextField2.text")); // NOI18N
        jTextField2.setName("jTextField2"); // NOI18N

        jLabel3.setText(resourceMap.getString("jLabel3.text")); // NOI18N
        jLabel3.setName("jLabel3"); // NOI18N

        jLabel4.setText(resourceMap.getString("jLabel4.text")); // NOI18N
        jLabel4.setName("jLabel4"); // NOI18N

        jTextField3.setText(resourceMap.getString("jTextField3.text")); // NOI18N
        jTextField3.setName("jTextField3"); // NOI18N

        jTextField4.setText(resourceMap.getString("jTextField4.text")); // NOI18N
        jTextField4.setName("jTextField4"); // NOI18N

        jLabel5.setText(resourceMap.getString("jLabel5.text")); // NOI18N
        jLabel5.setName("jLabel5"); // NOI18N

        javax.swing.ActionMap actionMap = org.jdesktop.application.Application.getInstance(phpgen.PhpGenApp.class).getContext().getActionMap(PhpGenView.class, this);
        jButton1.setAction(actionMap.get("Conectar")); // NOI18N
        jButton1.setText(resourceMap.getString("jButton1.text")); // NOI18N
        jButton1.setName("jButton1"); // NOI18N

        jLabel6.setText(resourceMap.getString("jLabel6.text")); // NOI18N
        jLabel6.setName("jLabel6"); // NOI18N

        jScrollPane1.setName("jScrollPane1"); // NOI18N

        javax.swing.GroupLayout mainPanelLayout = new javax.swing.GroupLayout(mainPanel);
        mainPanel.setLayout(mainPanelLayout);
        mainPanelLayout.setHorizontalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, mainPanelLayout.createSequentialGroup()
                        .addComponent(jLabel2)
                        .addGap(97, 97, 97))
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, mainPanelLayout.createSequentialGroup()
                        .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                            .addComponent(jTextField1, javax.swing.GroupLayout.DEFAULT_SIZE, 630, Short.MAX_VALUE)
                            .addComponent(jTextField2, javax.swing.GroupLayout.DEFAULT_SIZE, 630, Short.MAX_VALUE)
                            .addComponent(jLabel4)
                            .addComponent(jTextField3, javax.swing.GroupLayout.DEFAULT_SIZE, 630, Short.MAX_VALUE)
                            .addComponent(jTextField4, javax.swing.GroupLayout.DEFAULT_SIZE, 630, Short.MAX_VALUE)
                            .addComponent(jLabel5)
                            .addGroup(mainPanelLayout.createSequentialGroup()
                                .addComponent(jLabel6, javax.swing.GroupLayout.DEFAULT_SIZE, 533, Short.MAX_VALUE)
                                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                                .addComponent(jButton1)
                                .addGap(14, 14, 14))
                            .addGroup(mainPanelLayout.createSequentialGroup()
                                .addComponent(jLabel3)
                                .addGap(362, 362, 362)))
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)))
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(mainPanelLayout.createSequentialGroup()
                        .addComponent(jLabel1)
                        .addGap(179, 179, 179))
                    .addGroup(mainPanelLayout.createSequentialGroup()
                        .addComponent(jScrollPane1, javax.swing.GroupLayout.PREFERRED_SIZE, 205, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addContainerGap())))
        );
        mainPanelLayout.setVerticalGroup(
            mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, mainPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel2)
                    .addComponent(jLabel1))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                    .addGroup(javax.swing.GroupLayout.Alignment.LEADING, mainPanelLayout.createSequentialGroup()
                        .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jLabel3)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jLabel4)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jLabel5)
                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                        .addComponent(jTextField4, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                        .addGap(18, 18, 18)
                        .addGroup(mainPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                            .addComponent(jLabel6)
                            .addComponent(jButton1)))
                    .addComponent(jScrollPane1, javax.swing.GroupLayout.DEFAULT_SIZE, 233, Short.MAX_VALUE))
                .addContainerGap())
        );

        menuBar.setName("menuBar"); // NOI18N

        fileMenu.setText(resourceMap.getString("fileMenu.text")); // NOI18N
        fileMenu.setName("fileMenu"); // NOI18N

        exitMenuItem.setAction(actionMap.get("quit")); // NOI18N
        exitMenuItem.setName("exitMenuItem"); // NOI18N
        fileMenu.add(exitMenuItem);

        menuBar.add(fileMenu);

        helpMenu.setText(resourceMap.getString("helpMenu.text")); // NOI18N
        helpMenu.setName("helpMenu"); // NOI18N

        aboutMenuItem.setAction(actionMap.get("showAboutBox")); // NOI18N
        aboutMenuItem.setName("aboutMenuItem"); // NOI18N
        helpMenu.add(aboutMenuItem);

        menuBar.add(helpMenu);

        statusPanel.setName("statusPanel"); // NOI18N

        statusPanelSeparator.setName("statusPanelSeparator"); // NOI18N

        statusMessageLabel.setName("statusMessageLabel"); // NOI18N

        statusAnimationLabel.setHorizontalAlignment(javax.swing.SwingConstants.LEFT);
        statusAnimationLabel.setName("statusAnimationLabel"); // NOI18N

        progressBar.setName("progressBar"); // NOI18N

        javax.swing.GroupLayout statusPanelLayout = new javax.swing.GroupLayout(statusPanel);
        statusPanel.setLayout(statusPanelLayout);
        statusPanelLayout.setHorizontalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addComponent(statusPanelSeparator, javax.swing.GroupLayout.DEFAULT_SIZE, 859, Short.MAX_VALUE)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addContainerGap()
                .addComponent(statusMessageLabel)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 685, Short.MAX_VALUE)
                .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
                .addComponent(statusAnimationLabel)
                .addContainerGap())
        );
        statusPanelLayout.setVerticalGroup(
            statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(statusPanelLayout.createSequentialGroup()
                .addComponent(statusPanelSeparator, javax.swing.GroupLayout.PREFERRED_SIZE, 2, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
                .addGroup(statusPanelLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(statusMessageLabel)
                    .addComponent(statusAnimationLabel)
                    .addComponent(progressBar, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(3, 3, 3))
        );

        setComponent(mainPanel);
        setMenuBar(menuBar);
        setStatusBar(statusPanel);
    }// </editor-fold>//GEN-END:initComponents

    @Action
    public Task Conectar() {
        return new ConectarTask(getApplication());
    }

    private class ConectarTask extends org.jdesktop.application.Task<Object, Void> {

        ConectarTask(org.jdesktop.application.Application app) {
            // Runs on the EDT.  Copy GUI state that
            // doInBackground() depends on from parameters
            // to ConectarTask fields, here.
            super(app);
        }

        @Override
        protected Object doInBackground() {

            try {
                // Este é um dos meios para registrar um driver
                Class.forName("org.postgresql.Driver").getInterfaces();
            } catch (ClassNotFoundException ex) {
            }
            try {
                // Registrado o driver, vamos estabelecer uma conexão
                con = DriverManager.getConnection("jdbc:postgresql://" + jTextField1.getText() + "/" + jTextField2.getText(), jTextField3.getText(), jTextField4.getText());
                jLabel6.setText("Status de Conexão: Conectado!");

               buildTree();

            } catch (SQLException ex) {
                JOptionPane.showMessageDialog(null,
                        "Ocorreu um problema ao tentar conecat ao banco de dados.", "ERRO",
                        JOptionPane.WARNING_MESSAGE);
            }

            return null;  // return your result
        }

        @Override
        protected void succeeded(Object result) {
            // Runs on the EDT.  Update the GUI based on
            // the result computed by doInBackground().
        }
    }

    public String[] listarTabelas(String esquema) {

        ArrayList<String> tabelas = new ArrayList<String>();

        try {
            DatabaseMetaData dbmd = null;
            dbmd = con.getMetaData();

            String[] types = {
                "TABLE"
            };

            ResultSet resultSet = null;
            resultSet = dbmd.getTables(null, null, "%", types);

            resultSet.last();


            resultSet.beforeFirst();

            while (resultSet.next()) {
                //tabelas
                if (resultSet.getString(2).equalsIgnoreCase(esquema)) {
                    tabelas.add(resultSet.getString(3));
                }
            }

        } catch (SQLException e) {
            Logger.getLogger(PhpGenView.class.getName()).log(Level.SEVERE, null, e);
        }

        return (String[]) (tabelas.toArray(new String[tabelas.size()]));
    }

    /***
     * Constroi uma tabela com colunas e tipos
     * @param dbmd metadados
     * @param tabela nó da tabela
     * @return nó da tabela com as colunas e os tipos
     * @throws SQLException
     */
    public DefaultMutableTreeNode buildColandTypes(DatabaseMetaData dbmd, DefaultMutableTreeNode tabela) throws SQLException {
        //nós da árvore = nome coluna ou tipos
        DefaultMutableTreeNode parent = null;
        ResultSet resultsetCol = dbmd.getColumns(null, null, tabela.getUserObject().toString(), null);

        while (resultsetCol.next()) {
            parent = new DefaultMutableTreeNode(resultsetCol.getString("COLUMN_NAME"));
            parent.add(new DefaultMutableTreeNode(resultsetCol.getString("TYPE_NAME")));
            tabela.add(parent);
        }

        return tabela;
    }

    /***
     * Constroi uma árvore com os schemas, tabelas, colunas e tipos
     */
    public void buildTree() {

        try {
            DatabaseMetaData dbmd = null;
            dbmd = con.getMetaData();

            String[] types = {
                "TABLE"
            };

            ResultSet resultSet = null;
            resultSet = dbmd.getTables(null, null, "%", types);

            resultSet.beforeFirst();
            ResultSetMetaData md = resultSet.getMetaData();

            String schemaName = "";

            //raiz da árvore = nome do banco
            DefaultMutableTreeNode root = new DefaultMutableTreeNode(jTextField2.getText());
            //nó da árvore = esquema
            DefaultMutableTreeNode esquema_no = null;
            //nó da arvore = tabela
            DefaultMutableTreeNode tabela_no = null;

            while (resultSet.next()) {
                if (!schemaName.equalsIgnoreCase(resultSet.getString(2))) {
                    //schemas
                    schemaName = resultSet.getString(2);
                    //adicionando esquema
                    esquema_no = new DefaultMutableTreeNode(schemaName);
                    root.add(esquema_no);

                }

                if (resultSet.getString(2).equalsIgnoreCase(schemaName)) {
                    //adicionando tabelas
                    tabela_no = new DefaultMutableTreeNode(resultSet.getString(3));
                    esquema_no.add(buildColandTypes(dbmd, tabela_no));
                }
            }
            //instanciando árvore
            jTree1 = new JTree(new DefaultTreeModel(root));           
            jTree1.setDragEnabled(true);
            //renderizar com icones personalizados
            jTree1.setCellRenderer(new RenderizarTree());
            //adicionando na janela do jscroll
            jScrollPane1.setViewportView(jTree1);


        } catch (SQLException e) {
            Logger.getLogger(PhpGenView.class.getName()).log(Level.SEVERE, null, e);
        }

    }
    // Variables declaration - do not modify//GEN-BEGIN:variables
    private javax.swing.JButton jButton1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JLabel jLabel6;
    private javax.swing.JScrollPane jScrollPane1;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    private javax.swing.JTextField jTextField4;
    private javax.swing.JPanel mainPanel;
    private javax.swing.JMenuBar menuBar;
    private javax.swing.JProgressBar progressBar;
    private javax.swing.JLabel statusAnimationLabel;
    private javax.swing.JLabel statusMessageLabel;
    private javax.swing.JPanel statusPanel;
    // End of variables declaration//GEN-END:variables
    private final Timer messageTimer;
    private final Timer busyIconTimer;
    private final Icon idleIcon;
    private final Icon[] busyIcons = new Icon[15];
    private int busyIconIndex = 0;
    private JDialog aboutBox;
    private javax.swing.JTree jTree1 = null;
}
